英语词汇“刻苦攻关”的翻译、意思、用法、释义-英汉汉英词典

单词	刻苦攻关
释义	刻苦攻关 kèkǔgōngguān1) storm strongholds in defiance of difficulties2) study very hard刻苦攻关 kè kǔ gōng guān storm strongholds in defiance of difficulties; study very hard
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